x=0
y=1

if x>0 and y>0:
    print("一象限")
elif x<0 and y>0:
    print("二象限")
elif x<0 and y<0:
    print("三象限")
elif x>0 and y<0:
    print("四象限")
else:
    print("数据在坐标轴上")